Fig 1.
PRISMA 2020 flow diagram.
Table 1.
General characteristics in the studies included in the systematic review.
Table 2.
Outcome measurement characteristics of the studies included in the systematic review.
Fig 2.
The Newcastle-Ottawa scale.
Fig 3.
Differences in teeth dimension between preterm and control children.
Maxillary teeth. A. Mesiodistal dimensions. B. Buccolingual dimensions. A: African American; BL: Buccolingual; C: Caucausian; CI: Confidence Interval; EPT; Extremely preterm; F: Females; M: Males; MD: Mesiodistal; MPT: Moderate preterm; UL: Maxillary left teeth; UR: Maxillary right teeth; VPT: Very preterm.
Fig 4.
Differences in teeth dimension between preterm and control children.
Mandibular teeth. A. Mesiodistal dimensions. B. Buccolingual dimensions. A: African American; BL: Buccolingual; C: Caucausian; CI: Confidence Interval; EPT; Extremely preterm; F: Females; LL: Mandibular left teeth; LL: Mandibular right teeth;M: Males; MD: Mesiodistal; MPT: Moderate preterm; VPT: Very preterm.
Table 3.
Differences in permanent teeth dimensions between preterm and full-term children—quantitative synthesis statistics.
Fig 5.
Regression scatterplots of the difference in teeth dimension between preterm and control children, on the predictor of gestational age (in weeks).
A. Maxillary central incisor—Mesiodistal dimension. B. Mandibular central incisor—Mesiodistal dimension. C. Maxillary lateral incisor—Mesiodistal dimension. D. Mandibular lateral incisor—Mesiodistal dimension. Confidence intervals and prediction intervals are displayed (inner and outer lines around the regression line). MD: Mesiodistal; L: Lower dental arch; U: Upper dental arch.
Fig 6.
Regression scatterplots of the difference in teeth dimension between preterm and control children, on the predictor of gestational age (in weeks).
A. Maxillary first molar—Mesiodistal dimension. B. Mandibular first molar—Mesiodistal dimension. C. Maxillary first molar—Buccolingual dimension. D. Mandibular first molar—Buccolingual dimension. Confidence intervals and prediction intervals are displayed (inner and outer lines around the regression line). BL: Buccolingual; MD: Mesiodistal; L: Lower dental arch; U: Upper dental arch.
Table 4.
Meta-regression for the effect on the differences in permanent teeth dimensions between preterm and full-term children.
Main results and statistics for the univariate regression models.
Table 5.
Meta-regression for the effect on the differences in permanent teeth dimensions between preterm and full-term children.
Statistics for the multivariate regression models.